QUESTION PAPER+MARK SCHEME JUNE 2024
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A-level
PHYSICS
Paper 3
Section B Engineering physics
Monday 17 June 2024 Morning Time allowed: The total time for
both sections of this paper is
Materials
For this paper you must have: 2 hours. You are advised to
a pencil and a ruler spend approximately
a scientific calculator 50 minutes on this section.
a Data and Formulae Booklet
a protractor.
For Examiner’s Use
Instructions Question Mark
Use black ink or black ball-point pen.
1
Fill in the boxes at the top of this page.
Answer all questions. 2
You must answer the questions in the spaces provided. Do not write 3
outside the box around each page or on blank pages. 4
If you need extra space for your answer(s), use the lined pages at the end of IB/M/Jun24/E6
this book. Write the question number against your answer(s). TOTAL
Do all rough work in this book. Cross through any work you do not want
to be marked.
Show all your working.
Information
The marks for questions are shown in brackets.
The maximum mark for this paper is 35.
You are expected to use a scientific calculator where appropriate.
A Data and Formulae Booklet is provided as a loose insert.
,7408/3BC
, 2
Do not write
outside the
There are no questions printed on this page box
DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED
IB/M/Jun24/7408/3BC
, 3
Do not write
outside the
Section B box
Answer all questions in this section.
0 1 A heavy turntable is mounted on a fixed base. The turntable can rotate freely on a
low-friction bearing.
0 1
. 1 Figure 1 shows a propeller unit fixed to the centre of the turntable.
The propeller unit consists of a motor-driven propeller and a battery.
The propeller and the turntable have a common axis of rotation.
Figure 1
At first, the turntable and the propeller are at rest.
The propeller motor is switched on and the propeller quickly reaches a high final
angular speed.
The propeller rotates clockwise when viewed from above.
Compare, with reference to angular momentum, the motions of the turntable and the
propeller.
[3 marks]
Question 1 continues on the next page
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IB/M/Jun24/7408/3BC